Sony STR-SE581 Service Manual page 16

Pin No. Pin Name
41 VOLUME UP
42 VOLUME DOWN
43 STANDBY
44 SYS. POWER
45 RDS. DATA. IN
46 RDS. CLK. IN
47 STOP
48 Vss
49 SIRCS
50 POWER SW
51 5.1ch LED
52 +5V
53 BASS BOOST
54 FUNC. MUTE
55 SL MUTE
56 VERSION
57 K14
58 K13
59 K12
60 K11
61 SR MUTE
62 S15
63 S14
64 S13
65 S12
66 S11
67 S10
68 S9
69 S8
70 S7
71 VLOAD
72 S6
73 S5
74 S4
75 S3
76 S2
77 S1
78 DIG10
79 DIG9
80 DIG8
I/O
O Volume up.
O Volume down.
— Standby LED drive.
I System power ON/OFF.
I RDS data input terminal (EXCEPT Australian, E, Saudi Arabia, PX model).
I RDS clock input terminal (EXCEPT Australian, E, Saudi Arabia, PX model).
I Stop signal input from NJM2103D (IC950).
— Ground.
I Sircs signal input.
I Power switch input terminal.
O 5.1ch input LED.
— Power supply (+5V).
— Bass boost LED drive.
O Line mute drive.
O Surround Lch mute.
I Input for model select.
I Key in 4.
I Key in 3.
I Key in 2.
I Key in 1.
O Surround Rch mute.
O Key out 1.
O Key out 2.
O Key out 3.
O Key out 4.
O
O
O
O
O
— Connect to –24V.
O
O
O
O
O
O
O
O Fluorescent indicator tube drive.
O
— 26 —
Description
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Fluorescent indicator tube drive.
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